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- 27.10.2014
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MemcachedProfilerStorage.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpKernel\Profiler;
013
014 /**
015 * Memcached Profiler Storage
016 *
017 * @author Andrej Hudec <pulzarraider@gmail.com>
018 */
019 class MemcachedProfilerStorage extends BaseMemcacheProfilerStorage
020 {
021 /**
022 * @var \Memcached
023 */
024 private $memcached;
025
026 /**
027 * Internal convenience method that returns the instance of the Memcached
028 *
029 * @return \Memcached
030 *
031 * @throws \RuntimeException
032 */
033 protected function getMemcached()
034 {
035 if (null === $this->memcached) {
036 if (!preg_match('#^memcached://(?(?=\[.*\])\[(.*)\]|(.*)):(.*)$#', $this->dsn, $matches)) {
037 throw new \RuntimeException(sprintf('Please check your configuration. You are trying to use Memcached with an invalid dsn "%s". The expected format is "memcached://[host]:port".', $this->dsn));
038 }
039
040 $host = $matches[1] ?: $matches[2];
041 $port = $matches[3];
042
043 $memcached = new \Memcached();
044
045 // disable compression to allow appending
046 $memcached->setOption(\Memcached::OPT_COMPRESSION, false);
047
048 $memcached->addServer($host, $port);
049
050 $this->memcached = $memcached;
051 }
052
053 return $this->memcached;
054 }
055
056 /**
057 * Set instance of the Memcached
058 *
059 * @param \Memcached $memcached
060 */
061 public function setMemcached($memcached)
062 {
063 $this->memcached = $memcached;
064 }
065
066 /**
067 * {@inheritdoc}
068 */
069 protected function getValue($key)
070 {
071 return $this->getMemcached()->get($key);
072 }
073
074 /**
075 * {@inheritdoc}
076 */
077 protected function setValue($key, $value, $expiration = 0)
078 {
079 return $this->getMemcached()->set($key, $value, time() + $expiration);
080 }
081
082 /**
083 * {@inheritdoc}
084 */
085 protected function delete($key)
086 {
087 return $this->getMemcached()->delete($key);
088 }
089
090 /**
091 * {@inheritdoc}
092 */
093 protected function appendValue($key, $value, $expiration = 0)
094 {
095 $memcached = $this->getMemcached();
096
097 if (!$result = $memcached->append($key, $value)) {
098 return $memcached->set($key, $value, $expiration);
099 }
100
101 return $result;
102 }
103 }
104